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Finding the Fourth Proportional to 675,326,252.79, 931,979,355.66 and 373,911,562.71

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Solution

The fourth proportional to 675,326,252.79, 931,979,355.66 and 373,911,562.71 is: 516,014,083.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,326,252.79 : 931,979,355.66 = 373,911,562.71 : x
  2. Step 2: Convert to fraction form
    675,326,252.79/931,979,355.66 = 373,911,562.71/x
  3. Step 3: Cross multiply
    675,326,252.79x = 931,979,355.66 × 373,911,562.71
  4. Step 4: Simplify right side
    675,326,252.79x = 348,477,857,288,289,472
  5. Step 5: Solve for x
    x = 348,477,857,288,289,472/675,326,252.79
  6. Step 6: Final answer
    x = 516,014,083.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.